Micro Coaxial Cable Connectors

Micro coaxial cable connectors have excellent transmission characteristics and are used in devices that requires compact housing and high-speed transmission.

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	USL Series 0.4 mm Pitch, Insulation-displacement connector (IDC)	USLS Series Low Profile Stack Mating Type	XSLS Series 0.25 mm Pitch, Stack Mating, Ultra-Compact	SSL Series 0.5mm Pitch, Insulation-displacement connector (IDC)	TSL Series 0.55mm Pitch, 32 Gbps High-Speed Transmission Next-Generation Harness
Pitch	0.4 mm	0.4 mm	0.25 mm	0.5 mm	0.55 mm
No of Contacts	20, 30, 40	20, 30, 40 for USLS20 34 for USLS21	30, 40, 52	10, 20, 30, 40	31
Mating Length	0.5 mm	0.35 mm	0.31 mm	0.5 mm	0.5 mm
Height	1.0 mm	1.65 mm	1.44 mm	1.4 mm	3.25 mm
Mating Width	5.6 mm	3.05 mm	3.05 mm	6.08 mm	10.68 mm
AWG (Applicable Cable)	#42	#40 for USL20 #42/44/46 for USLS21	#44/46	#40	#30/32/36
Bulk Pressure Welding	✓	✓ for USL20	–	✓	✓
Current Rating	0.25 A	0.25 A	0.15-0.3 A	0.3 A	0.6-1.0 A
Contact Resistance	100 mΩ max.	100 mΩ max.	100 mΩ max.	100 mΩ max.	100 mΩ max.
Withstand Voltage	AC 200 V, 1 minute	AC 200 V, 1 minute	AC 100 V, 1 minute	AC 200 V, 1 minute	AC 200 V, 1 minute
Insulation Resistance	DC 250 V, 100 MΩ min.	DC 250 V, 100 MΩ min.	DC 100 V, 50 MΩ min.	DC 250 V, 100 MΩ min.	DC 250 V, 100 MΩ min.
Operating Temperature Range	-40 to +85°C	-40 to +85°C	-40 to +85 °C	-40 to +85°C	-40 to +85°C

We produce the industry’s best board-to-cable micro coaxial cable connectors at KEL

Unmatched Quality

Superb transmission characteristics for compact housing in small devices.
High-level noise suppression for device miniaturization.

Designed for Safety & Reliability

We are ISO9001/14001 and IATF16949 certified and registered.
Chosen by top manufacturers for use cases where stable connections are crucial, like broadcast cameras, security cameras, and other high-level imaging equipment and medical equipment.
Proudly made in Japan.

Get Samples & Specs

From the details page for any of our products, you can inquire samples and download 3D-CAD files, mating lists, brochures, and technical drawings.

USL Series

0.4 mm Pitch, Insulation-displacement connector (IDC)

The USL series is a 0.4 mm pitch insulation-displacement connector for micro coaxial cables (AWG#42). Bulk connection by pressure welding improves the connection reliability and makes the connector compact.

Key Features

Improved connection reliability and compact size by pressure welding
Contributes to the miniaturization of devices
Mated Height: 1.0 mm; Mating width: 5.6 mm
Effective Mating Length: 0.5 mm
Applicable cable: AWG#42

USLS Series

Low Profile Stack Mating Type

Our USLS series is a stack type, 0.4 mm pitch micro coaxial cable connector.

Key Features

Compact connector with a low profile
Easy stack mating
Lead free due to insulation-displacement connector (IDC)
Mated Height: 1.65 mm; Mating Width: 3.05 mm
Effective Mating Length: 0.35 mm
Applicable cable : AWG#42

XSLS Series

0.25 mm Pitch, Stack Mating, Ultra-Compact

Our XSLS Series is the industry’s most miniature connector with a 0.25 mm pitch and stack mating, which saves more space on the board.

Key Features

The bottom surface of the connector is covered with resin, which allows wiring patterns directly under the connector
Soldering type for stable and reliable connection
Mated Height: 1.44 mm; Mating Width: 3.05 mm
Effective Mating Length: 0.1 mm
Applicable cable : AWG#42/44/46

SSL Series

0.5mm Pitch, Insulation-displacement connector (IDC)

Our SSL series is a 0.5 mm pitch micro coaxial cable connector. Its pressure welding connection ensures superior reliability and compactness.

Key Features

Vertical and horizontal mating available
Metal shell for noise reduction and product strength
Mated Height: 1.4 mm; Mating Width: 6.08 mm (horizontal mating)
Effective Mating Length: 0.5 mm
Applicable cable : AWG#40

TSL Series

0.55mm Pitch, 32 Gbps High-Speed Transmission
Next-Generation Harness

Our TSL Series is a harness that enables 32 Gbps high-speed differential transmission at 1,000 mm length. The connector design is optimized to achieve high-speed transmission over long wires for 5G, IoT, and AI.

Key Features

Low loss and low skew in combination with new Ruota* high-performance coaxial cables
32 Gbps high-speed differential transmission at harness length 1,000 mm
Mated Height: 3.25 mm; Mating Width: 10.68 mm (horizontal mating)
Effective Mating Length: 0.5 mm
Applicable cable : AWG#30/32/36

* Ruota is a registered trademark (no. 5594596) of Totoku Electric Co., Ltd.